Table 2. Hemodynamic responses and echocardiographic measurements at rest and at loads of 333 gr·kg and no weights. Data are means (±SD).
| VARIABLES |
REST |
333 gr·kg-1 |
NO WEIGHTS |
| HR (beats·min-1) |
85.4 (9.1) |
133.2 (7.1) ‡ |
121.4 (5.6) ‡ |
| SV (ml) |
54.2 (6.7) |
53.3 (5.8) |
56.1 (5.0) |
| Q (l·min-1) |
4.6 (.4) |
7.1 (1.1) ‡ |
6.8 (1.2) ‡ |
| EDV (ml) |
85.6 (4.4) |
93.1 (3.2) ‡ |
95.4 (6.0) ‡ |
| ESV(ml) |
31.4 (3.2) |
39.8 (3.2) ‡ |
39.3 (2.8) ‡ |
| EF (%) |
63.3 (5.0) |
57.3 (5.1) ‡ |
58.8 (5.2) ‡ |
| P/V (ratio) |
3.3 (.6) |
3.7 (.8) |
3.3 (.7) |
| SBP (mmHg) |
102.1 (7.0) |
147.7 (7.0) ‡ |
129.8 (7.1) *‡ |
| DBP (mmHg) |
66.4 (6.0) |
69.3 (3.1) |
66.4 (3.7) |
| MABP (mmHg) |
78.3 (4.0) |
95.4 (4.3) ‡ |
87.5 (3.8) *‡ |
| TPR (dynes·s-1·cm-5) |
1362 (102) |
1075 (99) ‡ |
1030 (76) ‡ |
| VO2(ml·kg-1·min-1) |
3.1 (.6) |
13.6 (1.3)‡ |
10.5 (1.1) *‡ |
| VO2(% of VO2max) |
.07 (.01) |
31.4 (5.7) ‡ |
24.2 (4.7) *‡ |
Abbreviations: HR = Heart Rate, SV= Stroke Volume, Q = Cardiac output, EDV = End Diastolic Volume, ESV = End Systolic Volume, EF = Ejection Fraction, P/V = SBP/ESV, SBP = Systolic Blood Pressure, DBP = Diastolic Blood Pressure, MABP = Mean Arterial Blood Pressure, TPR = Total Peripheral Resistance, VO = Oxygen uptake.* denotes p < 0.05 between work-loads.‡ denotes p < 0.05 compared with rest.
